US

South Korean special police officers descend the stairs from subway station during an anti-terror exercise as part of Ulchi Freedom Guardian or UFG in Seoul, South Korea.

Lee Jin-man/AP

South Korean special police officers enter a subway station in Seoul, South Korea, during an anti-terror exercise as part of Ulchi Freedom Guardian, an annual joint military operation between South Korea and the US

Police officers point their weapons at demonstrators protesting against the shooting death of Michael Brown in Ferguson, Missouri...Police officers point their weapons at demonstrators protesting against the shooting death of Michael Brown in Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters on Monday after days of unrest sparked by the fatal shooting of unarmed black teenager Michael Brown by a white policeman. REUTERS/Joshua Lott (UNITED STATES - Tags: CRIME LAW CIVIL UNREST)

Joshua Lott/Reuters

Police fired tear gas and stun grenades at protesters on Monday in Ferguson, Missouri, after days of unrest sparked by the fatal shooting of unarmed black teenager Michael Brown by a white policeman 

Police officers point their weapons at demonstrators protesting against the shooting death of Michael Brown in Ferguson, Missouri...Police officers point their weapons at demonstrators protesting against the shooting death of Michael Brown in Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters on Monday after days of unrest sparked by the fatal shooting of unarmed black teenager Michael Brown by a white policeman. REUTERS/Joshua Lott (UNITED STATES - Tags: CRIME LAW CIVIL UNREST)

Joshua Lott/Reuters

Police officers aim their weapons at demonstrators, having fired tear gas and stun grenades at protesters in Ferguson, Missouri. 

Outrage In Missouri Town After Police Shooting Of 18-Yr-Old Man...FERGUSON, MO - AUGUST 17:  Tear gas reigns down on a woman standing with her arms raised in the street after a demonstration over the killing of teenager Michael Brown by a Ferguson police on August 17, 2014 in Ferguson, Missouri. Despite the Brown family's continued call for peaceful demonstrations, violent protests have erupted nearly every night in Ferguson since his August 9, death.  (Photo by Scott Olson/Getty Images)

Scott Olson/Getty

Tear gas rains down on a woman standing with her arms raised after a demonstration over the killing of teenager Michael Brown by a Ferguson policeman in Missouri

Combination photograph shows in sequence a protester throwing back a smoke bomb while clashing with police in Ferguson, Missouri

Mario Anzuoni/Reuters

A sequence in which a protester throws back a smoke bomb while clashing with police in Ferguson, Missouri. Police fired several rounds of tear gas to disperse protesters late on Wednesday, on the fourth night of demonstrations over the fatal shooting last weekend of an unarmed black teenager Michael Brown.

Fed Chair Janet Yellen Gives Semiannual Monetary Policy Report To Senate Committee...WASHINGTON, DC - JULY 15:  Federal Reserve Board Chairwoman Janet Yellen arrives for testimony before the Senate Banking, Housing and Urban Affairs Committee July 15, 2014 in Washington, DC. Yellin delivered her "Semiannual Monetary Policy Report to the Congress."  (Photo by Win McNamee/Getty Images)

Win McNamee/Getty

US Federal Reserve chairwoman Janet Yellen arrives for testimony before the Senate Banking, Housing and Urban Affairs Committee in Washington, DC. Ms Yellin delivered her semi-annual monetary policy report to Congress. 

American League's Brian Dozier, of the Minnesota Twins, took the plate following a rain delay in the MLB All-Star baseball Home Run Derby, Monday, July 14, 2014, in Minneapolis. (AP Photo/The Star Tribune, Brian Mark Peterson)

Brian Mark Peterson/The Star Tribune/AP

American League’s Brian Dozier, of the Minnesota Twins, took the plate following a rain delay in the MLB All-Star baseball Home Run Derby on Monday in Minneapolis 

Men lift a replica of a boat, known as a "Moorish Galleon," during celebrations ahead of the "Feast Day of Our Lady of Mount Carmel" in Williamsburg, Brooklyn

Darren Ornitz/Reuters

Men lift a replica of a boat, known as a Moorish galleon, during celebrations ahead of the Feast Day of Our Lady of Mount Carmel in Williamsburg, in the Brooklyn borough of New York. Every year, the Italian-American community of the Williamsburg neighbourhood reenacts a fourth century pageant at the Shrine Church of Our Lady of Mount Carmel, to commemorate the return of the Bishop of Nola, San Paolino, after being held in captivity for two years by North African conquerors. The galleon represents the boat that San Paolino returned to Nola on. 

A Chinese woman adjusts the Chinese national flag near U.S. national flags before a Strategic Dialogue expanded meeting that's part of the U.S.-China Strategic and Economic Dialogue at the Diaoyutai State Guesthouse in Beijing, Thursday, July 10, 2014.

Ng Han Guan/AP

The US and Chinese national flags are prepared ahead of a meeting that forms part of the US-China Strategic and Economic Dialogue at Diaoyutai State Guesthouse in Beijing on Thursday.

REUTERS PICTURE HIGHLIGHT...ATTENTION EDITORS - REUTERS PICTURE HIGHLIGHT TRANSMITTED BY 0131 GMT ON JULY 3, 2014    LJJ015  Lightning strikes One World Trade Center in Manhattan as the sun sets behind the city after a summer storm in New York.  REUTERS/Lucas Jackson     REUTERS NEWS PICTURES HAS NOW MADE IT EASIER TO FIND THE BEST PHOTOS FROM THE MOST IMPORTANT STORIES AND TOP STANDALONES EACH DAY. Search for "TPX" in the IPTC Supplemental Category field or "IMAGES OF THE DAY" in the Caption field and you will find a selection of 80-100 of our daily Top Pictures.    REUTERS NEWS PICTURES.     TEMPLATE OUT

Lucas Jackson/Reuters

Lightning strikes One World Trade Center in Manhattan as the sun sets behind the city after a summer storm in New York on Wednesday 

Chabad-Lubavitch Faithful Mark 20th Anniversary Of Lubavitcher Rebbe's Death At His Grave

Eric Thayer/Getty Images

A visitor prays at the grave of the Lubavitcher Rebbe, Rabbi Menachem Mendel Schneerson, at the Old Montefiore Cemetery in the Queens borough of New York

U.S. Secretary of State John Kerry, center left, speaks with Lithuanian Foreign Minister Linas Linkevicius, center right, during a meeting of the North Atlantic Council in Foreign Ministers Session at NATO headquarters in Brussels on Wednesday, June 25, 2014. The Brussels meeting is the final gathering of high-ranking government officials before the summit of NATO’s leaders scheduled for September in Wales. U.S. Secretary of State John Kerry and his colleagues are expected to fine tune the summit’s agenda on a wide array of topics, from how to redeploy NATO’s forces in response to Russian capabilities and actions to what to do in Afghanistan when NATO’s combat mission in that country comes to an end this December. (AP Photo/Virginia Mayo)

Virginia Mayo/AP

US secretary of state John Kerry, centre left, speaks with Lithuanian foreign minister Linas Linkevicius during a meeting of the North Atlantic Council at Nato headquarters in Brussels on Wednesday 

William Temple, from the Golden Isle Tea Party in Brunswick sits in the audience at the 5th annual Faith & Freedom Coalition's "Road to Majority" Policy Conference in Washington...William Temple, from the Golden Isle Tea Party in Brunswick, GA, sits in the audience at the beginning of the second day at the 5th annual Faith & Freedom Coalition's "Road to Majority" Policy Conference in Washington June 20, 2014. REUTERS/Larry Downing

Larry Downing/Reuters

William Temple, from the Golden Isle Tea Party in Brunswick, GA, sits in the audience at the beginning of the second day at the 5th annual Faith & Freedom Coalition’s “Road to Majority” Policy Conference in Washington 

A descendant of Comanche indian soldiers prays on Utah Beach on June 9, 2014 in Sainte-Marie-du-Mont, northwestern France. 14 Comanche code talkers landed on June 6,1944 in Utah Beach with the 4th US infantry division. They used the Comanche language to transmit messages that could not be understood by the German occupiers.

Charly Triballeau/AFP

A descendant of Comanche Indian soldiers prays on Utah Beach on Monday in Sainte-Marie-du-Mont, northwestern France. Fourteen Comanche code talkers landed there on June 6, 1944, with the 4th US infantry division.

Barack Obama, Michelle Obama, Michael Bloomberg, Bill Clinton, Hillary Rodham Clinton...President Barack Obama and first lady Michelle Obama, along with former Secretary of State Hillary Rodham Clinton and former President Bill Clinton tour the Memorial Hall at the National September 11 Memorial Museum with former New York Mayor Michael Bloomberg, Thursday, May 15, 2014, in New York.

Carolyn Kaster/AP

President Barack Obama and first lady Michelle Obama, along with former Secretary of State Hillary Rodham Clinton and former President Bill Clinton tour the Memorial Hall at the National September 11 Memorial Museum with former New York Mayor Michael Bloomberg, Thursday 

arah Jessica Parker attends the "Charles James: Beyond Fashion" Costume Institute Gala at the Metropolitan Museum of Art on May 5, 2014 in New York City.  (Photo by Larry Busacca/Getty Images)

Larry Busacca/Getty Images

Sarah Jessica Parker attends the “Charles James: Beyond Fashion” Costume Institute Gala at the Metropolitan Museum of Art, New York City.

Joe Raedle/Getty Images

Philip Triplett recovers an American flag from the destroyed home of a family friend after it was hit by a tornado in Louisville, Mississippi. A string of deadly tornadoes tore through the region beginning on Monday, leaving more than two dozen dead.

People try out the new 850-foot-long SlotZilla Zipline at the Fremont Street Experience in downtown Las Vegas

Steve Marcus/Reuters

People try out the new 850ft-long SlotZilla Zipline at the Fremont Street Experience in downtown Las Vegas, Nevada

Debris from Mayflower RV is pictured strewn around in Mayflower, Arkansas April 29, 2014. A storm system that killed more than 20 people continued its march across a large swath of the U.S. Southeast on Tuesday, packing baseball-sized hail, damaging winds and the threat of more tornados, meteorologists said.

Carlo Allegri/Reuters

Debris from an RV lot is strewn around in Mayflower, Arkansas. A storm system that killed more than 20 people continued its march across a large swath of the US southeast on Tuesday, packing baseball-sized hail, damaging winds and the threat of more tornadoes.

Hoover Dam, a concrete arch-gravity dam in the Black Canyon of the Colorado River on the border between the US states of Arizona and Nevada. Hoover Dam ,finished in 1936, impounds Lake Mead, the largest reservoir in the United States by volume. The dam's generators provide power for public and private utilities in Nevada, Arizona, and California. Hoover Dam is a major tourist attraction; nearly a million people tour the dam each year.

Joe Klamar/AFP

The sun rises over the Hoover Dam, a concrete arch-gravity dam in the Black Canyon of the Colorado River on the border between the US states of Arizona and Nevada. The Hoover Dam was finished in 1936 and impounds Lake Mead, the largest reservoir in theUS by volume.